there is not need to be neverous making phone when we are driving这句话对么
题目
there is not need to be neverous making phone when we are driving这句话对么
答案
那个not不对 There is no need to be too nervous .
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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